EP3506680A4 - Method and user equipment for fallback for voice call from 5g mobile communication to 4g - Google Patents

Method and user equipment for fallback for voice call from 5g mobile communication to 4g Download PDF

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Publication number
EP3506680A4
EP3506680A4 EP17843917.0A EP17843917A EP3506680A4 EP 3506680 A4 EP3506680 A4 EP 3506680A4 EP 17843917 A EP17843917 A EP 17843917A EP 3506680 A4 EP3506680 A4 EP 3506680A4
Authority
EP
European Patent Office
Prior art keywords
fallback
user equipment
mobile communication
voice call
call
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17843917.0A
Other languages
German (de)
French (fr)
Other versions
EP3506680A1 (en
EP3506680B1 (en
Inventor
Hyunsook Kim
Jinsook RYU
Sangmin Park
Myungjune YOUN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP3506680A1 publication Critical patent/EP3506680A1/en
Publication of EP3506680A4 publication Critical patent/EP3506680A4/en
Application granted granted Critical
Publication of EP3506680B1 publication Critical patent/EP3506680B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/305—Handover due to radio link failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP17843917.0A 2016-08-23 2017-08-22 Method and user equipment for fallback for voice call from 5g mobile communication to 4g Active EP3506680B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662378223P 2016-08-23 2016-08-23
US201762534687P 2017-07-20 2017-07-20
PCT/KR2017/009126 WO2018038497A1 (en) 2016-08-23 2017-08-22 Method and user equipment for fallback for voice call from 5g mobile communication to 4g

Publications (3)

Publication Number Publication Date
EP3506680A1 EP3506680A1 (en) 2019-07-03
EP3506680A4 true EP3506680A4 (en) 2020-01-29
EP3506680B1 EP3506680B1 (en) 2022-03-30

Family

ID=61245169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17843917.0A Active EP3506680B1 (en) 2016-08-23 2017-08-22 Method and user equipment for fallback for voice call from 5g mobile communication to 4g

Country Status (3)

Country Link
US (1) US10869244B2 (en)
EP (1) EP3506680B1 (en)
WO (1) WO2018038497A1 (en)

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EP3944642A1 (en) * 2016-12-21 2022-01-26 Telefonaktiebolaget LM Ericsson (publ) Support of circuit switched service in a 5g core network
KR102336313B1 (en) 2017-06-19 2021-12-07 삼성전자 주식회사 Method and apparatus of network virtualization and session management
CN109548093B (en) * 2017-08-02 2021-02-12 中兴通讯股份有限公司 Network switching method, device and system
WO2019071377A1 (en) 2017-10-09 2019-04-18 Qualcomm Incorporated Configuration for legacy voice support in 5g
CN113543233A (en) * 2017-11-03 2021-10-22 华为技术有限公司 Communication method, network element, terminal device and system
EP3706465B1 (en) * 2017-11-13 2023-04-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and system for determining core network type during handover process
US10785637B2 (en) 2017-11-17 2020-09-22 Ofinno, Llc SMF selection for isolated network slice
WO2019097302A1 (en) 2017-11-20 2019-05-23 Lenovo (Singapore) Pte. Ltd. Fallback assistance information
WO2019134181A1 (en) * 2018-01-05 2019-07-11 Oppo广东移动通信有限公司 Method and device for radio communication
AU2018402119A1 (en) * 2018-01-10 2020-08-13 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Handover processing method, network device, terminal device, and computer storage medium
EP3716687B1 (en) * 2018-01-11 2022-12-28 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Service-based processing method, terminal device, and network device
CN110049481B (en) * 2018-01-16 2020-11-20 维沃移动通信有限公司 Service indication method and related equipment
CN110166984B (en) * 2018-02-13 2021-09-24 维沃移动通信有限公司 Service processing method, information sending method and related equipment
US11399315B2 (en) * 2018-03-26 2022-07-26 Telefonaktiebolaget Lm Ericsson (Publ) Efficient EPS fallback in a 5GS architecture
CN110351793B (en) * 2018-04-04 2022-05-31 维沃移动通信有限公司 Service implementation method, network unit and terminal
CN110418384B (en) 2018-04-26 2021-02-23 华为技术有限公司 Circuit switching backspacing method and device
WO2019242867A1 (en) 2018-06-22 2019-12-26 Nokia Solutions And Networks Oy Selective handover or redirection based on interface availability
CN110831088B (en) * 2018-08-13 2021-05-04 华为技术有限公司 Policy control method, device and system
US11785655B2 (en) 2018-08-21 2023-10-10 Samsung Electronics Co., Ltd. Method and system for providing 5G services to user equipment in wireless communication network
CN110944364B (en) * 2018-09-25 2021-11-19 中国移动通信有限公司研究院 Packet network information transmission method and network equipment
CN111372311B (en) * 2018-12-25 2022-08-30 中国电信股份有限公司 Method and system for 5G voice service
US10893444B2 (en) * 2019-01-28 2021-01-12 Qualcomm Incorporated Voice fallback in 5G NR
US11510267B2 (en) * 2019-04-05 2022-11-22 T-Mobile Usa, Inc. Efficient Evolved Packet System (EPS) fallback
US10911994B2 (en) * 2019-04-30 2021-02-02 Verizon Patent And Licensing Inc. Method and system for end device management of voice over new radio and non-voice over new radio in multi-rat environment
US11483357B2 (en) * 2019-05-31 2022-10-25 Mediatek Singapore Pte. Ltd. Methods for avoiding fallbacks of a user equipment (UE) to a legacy network
CN112020111B (en) * 2019-05-31 2023-04-18 联发科技（新加坡）私人有限公司 Method for avoiding network rollback executed by user equipment
US11570679B2 (en) * 2019-07-03 2023-01-31 Mediatek Inc. Modem and application interaction for voice calls
US20210051530A1 (en) * 2019-08-16 2021-02-18 Apple Inc. 5G NR Voice Call EPS Fallback Enhancements
KR20210054162A (en) 2019-11-05 2021-05-13 삼성전자주식회사 Method for shortening call connection time and electronic device therefor
CN110972219A (en) * 2019-11-27 2020-04-07 Oppo广东移动通信有限公司 Information processing method, terminal device, network device, and storage medium
CN110944367B (en) * 2019-12-20 2021-12-24 广东工业大学 4G and 5G interoperation method
CN113163349B (en) * 2020-01-07 2022-07-22 华为技术有限公司 Communication method, device and system for voice service
KR20210123141A (en) 2020-04-02 2021-10-13 삼성전자주식회사 Electronic device and method for keeping a call function in electronic device
CN113709903A (en) * 2020-05-21 2021-11-26 华为技术有限公司 Communication method, device and system
EP4218313A4 (en) * 2020-09-30 2023-09-20 Innopeak Technology, Inc. Apparatus and method of a mobile terminating user equipment connecting to a fallback network
US11425239B1 (en) * 2021-04-20 2022-08-23 T-Mobile Usa, Inc. Systems and methods for optimizing cellular network performance
KR20240035942A (en) * 2021-07-27 2024-03-19 엘지전자 주식회사 Apparatus and method for performing fallback of call service in a wireless communication system
US11889294B2 (en) 2021-10-08 2024-01-30 Cisco Technology, Inc. Transition of user equipment to a 5GC network post voice call termination in view of EPS fallback

Citations (1)

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EP3307010A1 (en) * 2016-10-05 2018-04-11 NTT DoCoMo, Inc. Method for establishing a communication and mobile radio communication network component

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CN101816206B (en) 2007-10-04 2014-10-08 Lm爱立信电话有限公司 Inter-system handoff using circuit switched bearers for serving general packet radio service support nodes
US9264945B2 (en) * 2010-11-11 2016-02-16 Qualcomm Incorporated Systems and methods for improving circuit switched fallback performance
US10536917B2 (en) * 2015-02-03 2020-01-14 Nokia Solutions And Networks Oy Dual connectivity for different access networks
EP3639559A1 (en) * 2017-06-13 2020-04-22 Intel IP Corporation Systems, methods and devices for legacy system fallback in a cellular communications system

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EP3307010A1 (en) * 2016-10-05 2018-04-11 NTT DoCoMo, Inc. Method for establishing a communication and mobile radio communication network component

Non-Patent Citations (4)

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Title
INTEL ET AL: "EPS fallback", vol. SA WG2, no. San Jose Del Cabo, Mexico; 20170626 - 20170630, 20 June 2017 (2017-06-20), XP051309607, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_sa/WG2_Arch/TSGS2_122_Cabo/Docs/> [retrieved on 20170620] *
ORANGE ET AL: "P-CR TS 23.502: Clarification on Intersystem mobility without N26", vol. SA WG2, no. Reno, Nevada; 20171127 - 20171201, 1 December 2017 (2017-12-01), XP051365923, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings%5F3GPP%5FSYNC/SA2/Docs/> [retrieved on 20171201] *
SASSAN AHMADI: "LTE-Advanced", 1 January 2014 (2014-01-01), US, pages 94 - 100, XP055654024, ISBN: 978-0-12-405162-1, Retrieved from the Internet <URL:https://epo.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwtV3Nb9MwFLcoHFhPwJBWNuAJcasixYlnO7uVUsqBQ1V1SDtFTmxrU7sNLd20P3_PTpyklRDagUuUOM6z9H6O_b5NyFebxonmmYnSU1lETJk4KqSlkUiF4VlZZsafsXQxZau5WM7Zr67ubdf2X5HGNsTaZc4-A-2WKDbgPWKOV0Qdr3sCcfvYZDOvZtEkePTrhPO6GJFDoSlM7oTONoXqfCevJZ0vFmOk4cLjnMumGtPYexY> [retrieved on 20191218], DOI: 10.1016/C2012-0-02224-7 *
See also references of WO2018038497A1 *

Also Published As

Publication number Publication date
EP3506680A1 (en) 2019-07-03
US10869244B2 (en) 2020-12-15
WO2018038497A1 (en) 2018-03-01
EP3506680B1 (en) 2022-03-30
US20190191349A1 (en) 2019-06-20

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